Finger wear detection for production line battery tester

Details Finger wear detection for production line battery tester Finger wear detection for production line battery tester

1996-05-24

1997-11-18

Trammell, James P.

Boots, shoes, and leggings

36447417, 36455102, 340679, 340680, G01B 300

Patent

active

056894295

ABSTRACT:
A method for detecting wear in a battery tester probe. The method includes providing a battery tester unit having at least one tester finger, generating a tester signal using the tester fingers and battery tester unit with the signal characteristic of the electrochemical condition of the battery and the tester finger, applying wavelet transformation to the tester signal including computing a mother wavelet to produce finger wear indicator signals, analyzing the signals to create a finger wear index, comparing the wear index for the tester finger with the index for a new tester finger and generating a tester finger signal change signal to indicate achieving a threshold wear change.

REFERENCES:
patent: 4894644 (1990-01-01), Thomas
patent: 5587931 (1996-12-01), Jones et al.

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